Amazon.com: KEYESTUDIO 5V DCAC 4-Channel Relay Hat Shield Module Expansion Board for Raspberry Pi 4/A+/B+/Pi 2 Model B/Pi 3 Model B : Electronics
Amazon.com: 3v Relay Board for Raspberry Pi Arduino Relay Module 1 Channel Opto-Isolate High Level Trigger for IOT ESP8266 Microcontrollers Development Board : Electronics
Amazon.com: Ingcool Compatible with Raspberry Pi Expansion Board Power Relay Module Kits for Raspberry Pi 4B/3B+/3B/2B/ A+/B+ 5A 250V AC/ 5A 30V DV : Electronics
Amazon.com: Zero Relay 2 Channel 5V Relay Shield for Raspberry Pi, Relay HAT Expansion Relay Board for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero and Zero W | Power Relay Module for Raspberry Pi : Electronics
Amazon.com: XYGStudy Raspberry Pi Expansion Board Power Relay Module for Raspberry Pi 4 3 2 Model B B+ A+ : Electronics
Amazon.com: Huayao 2pcs 8 Channel DC 5V Relay Module with Optocoupler for UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi
Amazon.com: GeeekPi Raspberry Pi Expansion Board 4 Channel Relay Board Module Power Relay Module for Raspberry Pi 4B & Raspberry Pi 3 Model B+ & Raspberry Pi 3/2 Model B (No Programming
Amazon.com: 8 Channel I2C Interface Bus Solid State Relay Module for Arduino Raspberry PI and All Mic, AC Voltage Frequency Range 50…60Hz, AC Controlling Voltage Range 100…240VAC Long Life Quite Relay :
Amazon.com: SunFounder Relay Module Compatible with Arduino and Raspberry Pi 5V DC Trigger by HIGHLO (HIGH Trigger) : Electronics
Amazon.com: JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics
Amazon.com: SunFounder 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics
Amazon.com: PiRelay 8 Power Relay Module for Raspberry Pi, 8 Channel Relay Shield for Raspberry Pi, Relay HAT Expansion Relay Board for Raspberry Pi 4B/3B+/3B/2B/B+/A+ : Electronics
Amazon.com: XYGStudy Raspberry Pi Expansion Board Power Relay Module for Raspberry Pi 4 3 2 Model B B+ A+ : Electronics
1 Channel Relay Shield Module, 10PCS DC 5V Indicator Light LED Module for Arduino R3 MEGA 2560 1280 ARM PIC AVR STM32 Raspberry Pi MCU DSP Official Boards Shield (10PCS): Amazon.com: Industrial
Amazon.com: Qunqi 5V 2 Channel 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi (2channel-4pc) : Electronics
Amazon.com: Electronics-Salon RPi Power Relay Board Expansion Module for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B : Industrial & Scientific
Amazon.com: ACEIRMC 10pcs 12v Relay Board for Raspberry Arduino Relay Module 1 Channel Opto-Isolated High or Low Level Trigger (12V) : Industrial & Scientific
Amazon.com: waveshare RPi Relay Board Raspberry Pi Expansion Board, Three Channel (3-CH) Power Relay Module for Raspberry Pi 4B/3B+/3B/2B/A+/B+, Loads up to 5A 250V AC or 5A 30V DC : Electronics
Amazon.com: XYGStudy Raspberry Pi Expansion Board Power Relay Module for Raspberry Pi 4 3 2 Model B B+ A+ : Electronics
Amazon.com: Electronics-Salon 2 DPDT Signal Relay Module Board, DC 12V Version, for Arduino Raspberry-Pi 8051 PIC. : Electronics
Amazon.com: 30A 4 Channel Relay Module Expansion Board for Raspberry Pi DSP AVR PIC ARM (12VDC) : Electronics
Amazon.com: 3v Relay Board for Raspberry Pi Arduino Relay Module 1 Channel Opto-Isolate High Level Trigger for IOT ESP8266 Microcontrollers Development Board : Electronics
5v Relay Module 1 Channel Relay Board for Raspberry Pi with Opto-Isolated High or Low Level Trigger 5v 1 Channel Relay Switch for Arduino: Amazon.com: Industrial & Scientific
Amazon.com: JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics
Amazon.com: GeeekPi Raspberry Pi Expansion Board 4 Channel Relay Board Module Power Relay Module for Raspberry Pi 4B & Raspberry Pi 3 Model B+ & Raspberry Pi 3/2 Model B (No Programming
Amazon.com: JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics
